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linux/drivers/i3c/master
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Stanley Chu 34aaf448e2 i3c: master: svc: Use readsb helper for reading MDB 
commit c06acf7143 upstream.

The target can send the MDB byte followed by additional data bytes.
The readl on MRDATAB reads one actual byte, but the readsl advances
the destination pointer by 4 bytes. This causes the subsequent payload
to be copied to wrong position in the destination buffer.

Cc: stable@kernel.org
Fixes: dd3c52846d ("i3c: master: svc: Add Silvaco I3C master driver")
Signed-off-by: Stanley Chu <yschu@nuvoton.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250318053606.3087121-3-yschu@nuvoton.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-04-20 10:15:44 +02:00
..
mipi-i3c-hci i3c: mipi-i3c-hci: Add support for MIPI I3C HCI on PCI bus 2025-02-21 14:01:23 +01:00
ast2600-i3c-master.c i3c: dw: Remove ibi_capable property 2024-07-26 14:21:29 +02:00
dw-i3c-master.c i3c: dw: Fix use-after-free in dw_i3c_master driver due to race condition 2025-02-08 09:57:50 +01:00
dw-i3c-master.h i3c: dw: Add power management support 2024-07-26 14:21:30 +02:00
i3c-master-cdns.c i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition 2024-09-17 16:50:18 +02:00
Kconfig i3c: mipi-i3c-hci: Add support for MIPI I3C HCI on PCI bus 2025-02-21 14:01:23 +01:00
Makefile i3c: ast2600: Add AST2600 platform-specific driver 2023-04-28 08:19:01 +02:00
svc-i3c-master.c i3c: master: svc: Use readsb helper for reading MDB 2025-04-20 10:15:44 +02:00